Audio listening system



FIG. 1 is a perspective view of an audio listening system, showing ourdesign;

FIG. 2 is a front view thereof, shown separately for purposes ofillustration;

FIG. 3 is a rear view thereof, shown separately for purposes ofillustration;

FIG. 4 is a side view thereof;

FIG. 5 is an opposing side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines showing the environment are for illustrative purposesonly and form no part of the claimed design.

The ornamental design for an audio listening system, as shown anddescribed.